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16 channel NPN to PNP module signal isolation conversion module PLC sensor polarity conversion IO level

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8-channel PNP to NPN Module Signal Isolation Conversion Module PLC Sensor Polarity Conversion IO Level

8-channel NPN to PNP Module Signal Isolation Conversion Module PLC Sensor Polarity Conversion IO Level

16-channel NPN to PNP Module Signal Isolation Conversion Module PLC Sensor Polarity Conversion IO Level

4-channel PNP to NPN Module Signal Isolation Conversion Module PLC Sensor Polarity Conversion IO Level

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